diff mbox series

[RFC,v5,08/19] af_vsock: update comments for stream sockets

Message ID 20210218053852.1067811-1-arseny.krasnov@kaspersky.com (mailing list archive)
State New, archived
Headers show
Series virtio/vsock: introduce SOCK_SEQPACKET support | expand

Commit Message

Arseny Krasnov Feb. 18, 2021, 5:38 a.m. UTC 
This replaces 'stream' to 'connect oriented' in comments as SEQPACKET is
also connect oriented.

Signed-off-by: Arseny Krasnov <arseny.krasnov@kaspersky.com>
---
 net/vmw_vsock/af_vsock.c | 31 +++++++++++++++++--------------
 1 file changed, 17 insertions(+), 14 deletions(-)

Comments

Stefano Garzarella Feb. 22, 2021, 2:18 p.m. UTC | #1 
On Thu, Feb 18, 2021 at 08:38:48AM +0300, Arseny Krasnov wrote:
>This replaces 'stream' to 'connect oriented' in comments as SEQPACKET is
                             ^ connection

You forgot to update the commit message :-)

With that fixed:

Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>

>also connect oriented.
>
>Signed-off-by: Arseny Krasnov <arseny.krasnov@kaspersky.com>
>---
> net/vmw_vsock/af_vsock.c | 31 +++++++++++++++++--------------
> 1 file changed, 17 insertions(+), 14 deletions(-)
>
>diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
>index f4b02c6d35d1..f1bf6a5ad15e 100644
>--- a/net/vmw_vsock/af_vsock.c
>+++ b/net/vmw_vsock/af_vsock.c
>@@ -415,8 +415,8 @@ static void vsock_deassign_transport(struct vsock_sock *vsk)
>
> /* Assign a transport to a socket and call the .init transport callback.
>  *
>- * Note: for stream socket this must be called when vsk->remote_addr is set
>- * (e.g. during the connect() or when a connection request on a listener
>+ * Note: for connection oriented socket this must be called when vsk->remote_addr
>+ * is set (e.g. during the connect() or when a connection request on a listener
>  * socket is received).
>  * The vsk->remote_addr is used to decide which transport to use:
>  *  - remote CID == VMADDR_CID_LOCAL or g2h->local_cid or VMADDR_CID_HOST if
>@@ -470,10 +470,10 @@ int vsock_assign_transport(struct vsock_sock *vsk, struct vsock_sock *psk)
> 			return 0;
>
> 		/* transport->release() must be called with sock lock acquired.
>-		 * This path can only be taken during vsock_stream_connect(),
>-		 * where we have already held the sock lock.
>-		 * In the other cases, this function is called on a new socket
>-		 * which is not assigned to any transport.
>+		 * This path can only be taken during vsock_connect(), where we
>+		 * have already held the sock lock. In the other cases, this
>+		 * function is called on a new socket which is not assigned to
>+		 * any transport.
> 		 */
> 		vsk->transport->release(vsk);
> 		vsock_deassign_transport(vsk);
>@@ -658,9 +658,10 @@ static int __vsock_bind_connectible(struct vsock_sock *vsk,
>
> 	vsock_addr_init(&vsk->local_addr, new_addr.svm_cid, new_addr.svm_port);
>
>-	/* Remove stream sockets from the unbound list and add them to the hash
>-	 * table for easy lookup by its address.  The unbound list is simply an
>-	 * extra entry at the end of the hash table, a trick used by AF_UNIX.
>+	/* Remove connection oriented sockets from the unbound list and add them
>+	 * to the hash table for easy lookup by its address.  The unbound list
>+	 * is simply an extra entry at the end of the hash table, a trick used
>+	 * by AF_UNIX.
> 	 */
> 	__vsock_remove_bound(vsk);
> 	__vsock_insert_bound(vsock_bound_sockets(&vsk->local_addr), vsk);
>@@ -951,10 +952,10 @@ static int vsock_shutdown(struct socket *sock, int mode)
> 	if ((mode & ~SHUTDOWN_MASK) || !mode)
> 		return -EINVAL;
>
>-	/* If this is a STREAM socket and it is not connected then bail out
>-	 * immediately.  If it is a DGRAM socket then we must first kick the
>-	 * socket so that it wakes up from any sleeping calls, for example
>-	 * recv(), and then afterwards return the error.
>+	/* If this is a connection oriented socket and it is not connected then
>+	 * bail out immediately.  If it is a DGRAM socket then we must first
>+	 * kick the socket so that it wakes up from any sleeping calls, for
>+	 * example recv(), and then afterwards return the error.
> 	 */
>
> 	sk = sock->sk;
>@@ -1783,7 +1784,9 @@ static int vsock_connectible_sendmsg(struct socket *sock, struct msghdr *msg,
>
> 	transport = vsk->transport;
>
>-	/* Callers should not provide a destination with stream sockets. */
>+	/* Callers should not provide a destination with connection oriented
>+	 * sockets.
>+	 */
> 	if (msg->msg_namelen) {
> 		err = sk->sk_state == TCP_ESTABLISHED ? -EISCONN : -EOPNOTSUPP;
> 		goto out;
>-- 
>2.25.1
>
diff mbox series

Patch

diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index f4b02c6d35d1..f1bf6a5ad15e 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -415,8 +415,8 @@  static void vsock_deassign_transport(struct vsock_sock *vsk)
 
 /* Assign a transport to a socket and call the .init transport callback.
  *
- * Note: for stream socket this must be called when vsk->remote_addr is set
- * (e.g. during the connect() or when a connection request on a listener
+ * Note: for connection oriented socket this must be called when vsk->remote_addr
+ * is set (e.g. during the connect() or when a connection request on a listener
  * socket is received).
  * The vsk->remote_addr is used to decide which transport to use:
  *  - remote CID == VMADDR_CID_LOCAL or g2h->local_cid or VMADDR_CID_HOST if
@@ -470,10 +470,10 @@  int vsock_assign_transport(struct vsock_sock *vsk, struct vsock_sock *psk)
 			return 0;
 
 		/* transport->release() must be called with sock lock acquired.
-		 * This path can only be taken during vsock_stream_connect(),
-		 * where we have already held the sock lock.
-		 * In the other cases, this function is called on a new socket
-		 * which is not assigned to any transport.
+		 * This path can only be taken during vsock_connect(), where we
+		 * have already held the sock lock. In the other cases, this
+		 * function is called on a new socket which is not assigned to
+		 * any transport.
 		 */
 		vsk->transport->release(vsk);
 		vsock_deassign_transport(vsk);
@@ -658,9 +658,10 @@  static int __vsock_bind_connectible(struct vsock_sock *vsk,
 
 	vsock_addr_init(&vsk->local_addr, new_addr.svm_cid, new_addr.svm_port);
 
-	/* Remove stream sockets from the unbound list and add them to the hash
-	 * table for easy lookup by its address.  The unbound list is simply an
-	 * extra entry at the end of the hash table, a trick used by AF_UNIX.
+	/* Remove connection oriented sockets from the unbound list and add them
+	 * to the hash table for easy lookup by its address.  The unbound list
+	 * is simply an extra entry at the end of the hash table, a trick used
+	 * by AF_UNIX.
 	 */
 	__vsock_remove_bound(vsk);
 	__vsock_insert_bound(vsock_bound_sockets(&vsk->local_addr), vsk);
@@ -951,10 +952,10 @@  static int vsock_shutdown(struct socket *sock, int mode)
 	if ((mode & ~SHUTDOWN_MASK) || !mode)
 		return -EINVAL;
 
-	/* If this is a STREAM socket and it is not connected then bail out
-	 * immediately.  If it is a DGRAM socket then we must first kick the
-	 * socket so that it wakes up from any sleeping calls, for example
-	 * recv(), and then afterwards return the error.
+	/* If this is a connection oriented socket and it is not connected then
+	 * bail out immediately.  If it is a DGRAM socket then we must first
+	 * kick the socket so that it wakes up from any sleeping calls, for
+	 * example recv(), and then afterwards return the error.
 	 */
 
 	sk = sock->sk;
@@ -1783,7 +1784,9 @@  static int vsock_connectible_sendmsg(struct socket *sock, struct msghdr *msg,
 
 	transport = vsk->transport;
 
-	/* Callers should not provide a destination with stream sockets. */
+	/* Callers should not provide a destination with connection oriented
+	 * sockets.
+	 */
 	if (msg->msg_namelen) {
 		err = sk->sk_state == TCP_ESTABLISHED ? -EISCONN : -EOPNOTSUPP;
 		goto out;